Never mind, I fixed the code. The call to the solver had a min/max =0.0/1.0, changed it to -1.0/1.0.

<t>Richard(JQuantlib),First, thank you for creating the Java quant library. Although I am using it for simple stuff like Bond yield/price calculations, it is working great. One thing I noticed (not sure if it is a bug in the java version or in the original C++ quantlib) is that it cannot calculate a...

<t>I have been testing the Forex.com (GAIN Capital) APIs for trading FX. They have 2 kinds of services: Rate service for market data and Trade service. Both are web services. So you can connect via Java or .Net. And you can open a trial account for free to try your algorithm. But the issue is you ca...

<t>Can someone suggest a broker which provides reliable .Net/WebService APIs for trading FX and Index futures ? Like a one stop shop for trading both FX and stocks (and may be commodities). I have been using Forex.com (Gain Capital) API's for trading FX but it does not offer other asset classes. Int...

<t>Hello,Does anybody know if there are any good front office applications available in the market similar to the middle office/back office applications like Calypso, Endur ? Being spent sometime in the fixed income front office environment I noticed traders only use Excel with home grown add-ins. I...

I have a similar problem. I am using R version 2.8.1 and installed the latest D(COM) exe but having the same error. My OS is Windows Vista.